Which of the following organisms are characterised by the presence of milk-producing glands by which the young ones are nourished?
a. Macropus b. Equus c. Corvus d. Pavo
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Which of the following organisms are characterised by the presence of milk-producing glands by which the young ones are nourished?
a. Macropus b. Equus c. Corvus d. Pavo